feat: add microvm module to simplify setup

hosts/common/core/default.nix

@@ -11,6 +11,7 @@
     ./xdg.nix
 
     ../../../modules/wireguard.nix
+    ../../../modules/microvms.nix
   ];
 
   home-manager = {

hosts/common/core/system.nix

@@ -2,6 +2,7 @@
   inputs,
   lib,
   nodeName,
+  nodePath,
   ...
 }: {
   # IP address math library
@@ -30,7 +31,7 @@
     # current system due to yubikey availability.
     forceRekeyOnSystem = builtins.extraBuiltins.unsafeCurrentSystem;
     hostPubkey = let
-      pubkeyPath = ../.. + "/${nodeName}/secrets/host.pub";
+      pubkeyPath = "${nodePath}/secrets/host.pub";
     in
       lib.mkIf (lib.pathExists pubkeyPath || lib.trace "Missing pubkey for ${nodeName}: ${toString pubkeyPath} not found, using dummy replacement key for now." false)
       pubkeyPath;

hosts/ward/default.nix

@@ -2,7 +2,6 @@
   config,
   inputs,
   lib,
-  microvm,
   nixos-hardware,
   pkgs,
   ...
@@ -11,8 +10,6 @@
     nixos-hardware.common-cpu-intel
     nixos-hardware.common-pc-ssd
 
-    microvm.host
-
     ../common/core
     ../common/hardware/intel.nix
     ../common/hardware/physical.nix
@@ -28,21 +25,7 @@
 
   boot.initrd.availableKernelModules = ["xhci_pci" "ahci" "nvme" "usbhid" "usb_storage" "sd_mod" "sdhci_pci" "r8169"];
 
-  microvm.vms = {
-    test = let
-      node =
-        (import ../../nix/generate-node.nix inputs)
-        "ward-microvm-test" {
-          system = "x86_64-linux";
-          config = ./microvms/test;
-        };
-    in {
-      inherit (node) pkgs specialArgs;
-      config = {
-        inherit (node) imports;
-      };
-    };
-  };
+  extra.microvms.test.system = "x86_64-linux";
 
   #services.authelia.instances.main = {
   #  enable = true;

hosts/ward/microvms/test/default.nix

@@ -8,8 +8,6 @@
   ...
 }: {
   imports = [
-    microvm.microvm
-
     ../../../common/core
 
     ../../../../users/root